<template>
    <div class="goodsinfo-container">
        <transition
            @before-enter="beforeEnter"
            @enter="enter"
            @after-enter="afterEnter">
            <div class="ball" v-show="ballFlag" ref="ball"></div>
        </transition>

        <div class="mui-card">
			<div class="mui-card-content">
				<div class="mui-card-content-inner">
					<swiper :lunbotuList="lunbotu" :isFull="false"></swiper>
				</div>
			</div>
		</div>

        <div class="mui-card">
			<div class="mui-card-header">{{goodsinfo.title}}</div>
				<div class="mui-card-content">
					<div class="mui-card-content-inner">
						<p class="price">
                            市场价:<del>￥{{goodsinfo.market_price}}</del>&nbsp;&nbsp;销售价<span class="now_price">￥{{goodsinfo.sell_price}}</span>
                        </p>
                        <p>购买数量:&nbsp;<numbox @getCount="getSelectedCount" :max="goodsinfo.stock_quantity"></numbox></p>

                        <p>
                            <mt-button type="primary" size="small">立即购买</mt-button>
                            <mt-button type="danger" size="small" @click="addToShopCar">加入购物车</mt-button>
                        </p>
					</div>
				</div>
		</div>

        <div class="mui-card">
			<div class="mui-card-header">商品参数</div>
			<div class="mui-card-content">
				<div class="mui-card-content-inner">
					<p>商品货号:{{goodsinfo.goods_no}}</p>
                    <p>库存情况:{{goodsinfo.stock_quantity}}件</p>
                    <p>上架时间:{{goodsinfo.add_time}}</p>
				</div>
			</div>
			<div class="mui-card-footer">
                <mt-button type="primary" size="large" plain @click="goDesc(id)">图文介绍</mt-button>
                <mt-button type="danger" size="large" plain @click="goComment(id)">商品评论</mt-button>
            </div>
		</div> 
    </div>
</template>

<script>
import swiper from '../subcomponents/swiper.vue'
import numbox from '../subcomponents/goodsinfo_numbox.vue'

export default {
    data(){
        return {
            id : this.$route.params.id,
            lunbotu: [],
            goodsinfo:{},
            ballFlag:false,
            selectedCount : 1
        }
    },
    created(){
        this.getLunbotu();
        this.getGoodsInfo();
    },
    methods:{
        getLunbotu() {
            /* this.$http.get('/'+this.id).then(result => {
                if(result.body.status === 0){
                    this.lunbotu = result.body.message;
                }
            }) */

            var data = [
                {src:"/src/images/1.jpg"},
                {src:"/src/images/2.jpg"},
                {src:"/src/images/4.jpg"},
                {src:"/src/images/5.jpg"},
            ]

            data.forEach(item => {
                item.img = item.src;
            });

            this.lunbotu = data;
        },
        getGoodsInfo(){
            /* this.$http.get('/'+this.id).then(result => {
                if(result.body.status === 0){
                    this.goodsinfo = result.body.message[0];
                }
            }) */
            setTimeout(() => {
                this.goodsinfo = {id:this.id,title:"春宵一刻值千金",add_time:"2019-10-13 15:56:00",goods_no:"SD1234567",stock_quantity:20,market_price:100,sell_price:99}
            },3000)
        },
        goDesc(id){
            this.$router.push({name:'goodsdesc',params:{id}});
        },
        goComment(id){
            this.$router.push({name:'goodscomment',params:{id}});
        },
        addToShopCar(){
            this.ballFlag = !this.ballFlag;

            var goodsinfo = {id: this.id,count: this.selectedCount,price: this.goodsinfo.sell_price,selected: true}
            this.$store.commit("addToCar",goodsinfo)
        },
        beforeEnter(el){
            el.style.transform = "translate(0,0)";
        },
        enter(el,done){
            el.offsetWidth;
            
            const ballPosition = this.$refs.ball.getBoundingClientRect();
            const badgePosition = document.getElementById('badge').getBoundingClientRect();

            const xDist = badgePosition.left - ballPosition.left;
            const yDist = badgePosition.top - ballPosition.top;

            el.style.transform = `translate(${xDist}px,${yDist}px)`;
            el.style.transition = "all 0.5s cubic-bezier(.4,-0.3,1,.68)";
            done()
        },
        afterEnter(el){
            this.ballFlag = !this.ballFlag
        },
        getSelectedCount(count){
            this.selectedCount = count;

            //console.log("拿到了-->>"+this.selectedCount)
        }
    },
    components : {
        swiper,
        numbox
    }
}
</script>

<style lang="scss" scoped>
.goodsinfo-container{
    background-color: #eee;
    overflow: hidden;

    .now_price{
        color: red;
        font-size: 16px;
        font-weight: bold;
    }

    .mui-card-footer{
        display: block;

        button{
            margin: 15px 0;
        }
    }

    .ball{
        width: 15px;
        height: 15px;
        border-radius: 50%;
        background-color: red;
        position: absolute;
        z-index: 99;
        top:390px;
        left: 146px;
    }
}
</style>